Ejemplo n.º 1
0
func (d *Daemon) PolicyAdd(path string, node *policy.Node) error {
	log.Debugf("Policy Add Request: %s %+v", path, node)

	if !strings.HasPrefix(path, common.GlobalLabelPrefix) {
		return fmt.Errorf("the given path %q doesn't have the prefix %q", path, common.GlobalLabelPrefix)
	}

	d.policyMU.Lock()
	if err := d.policyAdd(path, node); err != nil {
		d.policyMU.Unlock()
		return err
	}
	if err := node.ResolveTree(); err != nil {
		d.policyMU.Unlock()
		return err
	}
	d.policyMU.Unlock()

	d.triggerPolicyUpdates([]uint32{})

	return nil
}
Ejemplo n.º 2
0
func (ds *DaemonSuite) TestUpdateConsumerMap(c *C) {
	lblProd := labels.NewLabel("io.cilium.Prod", "", common.CiliumLabelSource)
	lblQA := labels.NewLabel("io.cilium.QA", "", common.CiliumLabelSource)
	lblFoo := labels.NewLabel("io.cilium.foo", "", common.CiliumLabelSource)
	lblBar := labels.NewLabel("io.cilium.bar", "", common.CiliumLabelSource)
	lblJoe := labels.NewLabel("io.cilium.user", "joe", common.CiliumLabelSource)
	lblPete := labels.NewLabel("io.cilium.user", "pete", common.CiliumLabelSource)

	rootNode := policy.Node{
		Name: common.GlobalLabelPrefix,
		Rules: []policy.PolicyRule{
			&policy.PolicyRuleConsumers{
				Coverage: []labels.Label{*lblBar},
				Allow: []policy.AllowRule{
					// always-allow: user=joe
					{Action: policy.ALWAYS_ACCEPT, Label: *lblJoe},
					// allow:  user=pete
					{Action: policy.ACCEPT, Label: *lblPete},
				},
			},
			&policy.PolicyRuleRequires{ // coverage qa, requires qa
				Coverage: []labels.Label{*lblQA},
				Requires: []labels.Label{*lblQA},
			},
			&policy.PolicyRuleRequires{ // coverage prod, requires: prod
				Coverage: []labels.Label{*lblProd},
				Requires: []labels.Label{*lblProd},
			},
		},
		Children: map[string]*policy.Node{
			"foo": {},
			"bar": {
				Rules: []policy.PolicyRule{
					&policy.PolicyRuleConsumers{
						Allow: []policy.AllowRule{
							{ // allow: foo
								Action: policy.ACCEPT,
								Label:  *lblFoo,
							},
							{Action: policy.DENY, Label: *lblJoe},
							{Action: policy.DENY, Label: *lblPete},
						},
					},
				},
			},
		},
	}

	c.Assert(rootNode.ResolveTree(), Equals, nil)

	err := ds.d.PolicyAdd("io.cilium", &rootNode)
	c.Assert(err, Equals, nil)

	qaBarLbls := labels.Labels{lblBar.Key: lblBar, lblQA.Key: lblQA}
	qaBarSecLblsCtx, _, err := ds.d.PutLabels(qaBarLbls, "cc08ff400e355f736dce1c291a6a4007ab9f2d56d42e1f3630ba87b861d45307")
	c.Assert(err, Equals, nil)

	prodBarLbls := labels.Labels{lblBar.Key: lblBar, lblProd.Key: lblProd}
	prodBarSecLblsCtx, _, err := ds.d.PutLabels(prodBarLbls, "cc08ff400e355f736dce1c291a6a4007ab9f2d56d42e1f3630ba87b861d45307")
	c.Assert(err, Equals, nil)

	qaFooLbls := labels.Labels{lblFoo.Key: lblFoo, lblQA.Key: lblQA}
	qaFooSecLblsCtx, _, err := ds.d.PutLabels(qaFooLbls, "cc08ff400e355f736dce1c291a6a4007ab9f2d56d42e1f3630ba87b861d45307")
	c.Assert(err, Equals, nil)

	prodFooLbls := labels.Labels{lblFoo.Key: lblFoo, lblProd.Key: lblProd}
	prodFooSecLblsCtx, _, err := ds.d.PutLabels(prodFooLbls, "cc08ff400e355f736dce1c291a6a4007ab9f2d56d42e1f3630ba87b861d45307")
	c.Assert(err, Equals, nil)

	prodFooJoeLbls := labels.Labels{lblFoo.Key: lblFoo, lblProd.Key: lblProd, lblJoe.Key: lblJoe}
	prodFooJoeSecLblsCtx, _, err := ds.d.PutLabels(prodFooJoeLbls, "cc08ff400e355f736dce1c291a6a4007ab9f2d56d42e1f3630ba87b861d45307")
	c.Assert(err, Equals, nil)

	e := endpoint.Endpoint{
		ID:      1,
		IfName:  "dummy1",
		IPv6:    IPv6Addr,
		IPv4:    IPv4Addr,
		LXCMAC:  HardAddr,
		NodeMAC: HardAddr,
	}
	e.Opts = option.NewBoolOptions(&DaemonOptionLibrary)
	e.Opts.SetIfUnset(endpoint.OptionLearnTraffic, false)
	err = os.Mkdir("1", 755)
	c.Assert(err, IsNil)
	defer func() {
		err = os.RemoveAll("1/geneve_opts.cfg")
		err = os.RemoveAll("1/lxc_config.h")
		time.Sleep(1 * time.Second)
		err = os.RemoveAll("1")
		err = os.RemoveAll("1_backup")
	}()
	e.SetSecLabel(qaBarSecLblsCtx)
	err = ds.d.regenerateEndpoint(&e)
	c.Assert(err, Equals, nil)
	c.Assert(e.Allows(qaBarSecLblsCtx.ID), Equals, false)
	c.Assert(e.Allows(prodBarSecLblsCtx.ID), Equals, false)
	c.Assert(e.Allows(qaFooSecLblsCtx.ID), Equals, true)
	c.Assert(e.Allows(prodFooSecLblsCtx.ID), Equals, false)
	c.Assert(e.Allows(prodFooJoeSecLblsCtx.ID), Equals, true)

	e = endpoint.Endpoint{
		ID:      1,
		IfName:  "dummy1",
		IPv6:    IPv6Addr,
		IPv4:    IPv4Addr,
		LXCMAC:  HardAddr,
		NodeMAC: HardAddr,
	}
	e.Opts = option.NewBoolOptions(&DaemonOptionLibrary)
	e.Opts.SetIfUnset(endpoint.OptionLearnTraffic, false)
	e.SetSecLabel(prodBarSecLblsCtx)
	err = ds.d.regenerateEndpoint(&e)
	c.Assert(err, Equals, nil)
	c.Assert(e.Allows(0), Equals, false)
	c.Assert(e.Allows(qaBarSecLblsCtx.ID), Equals, false)
	c.Assert(e.Allows(prodBarSecLblsCtx.ID), Equals, false)
	c.Assert(e.Allows(qaFooSecLblsCtx.ID), Equals, false)
	c.Assert(e.Allows(prodFooSecLblsCtx.ID), Equals, true)
	c.Assert(e.Allows(prodFooJoeSecLblsCtx.ID), Equals, true)

	err = ds.d.PolicyDelete("io.cilium")
	c.Assert(err, Equals, nil)
}